Hardware

Arduino, Hardware

Retro-Joystick to USB Keyboard Adapter

Project Introduction I made an adapter to take classic video game controllers for Sega, Atari (2600, 7800) and Commodore (VIC20, C64, C128) and adapt them to work as a 5 button USB keyboard (4 directions and a fire/trigger key). The joystick now works like an external numeric keypad. Pressing the fire/trigger button will act like…
Arduino, Hardware

Arduino Leonardo (ATMega32u4) USB Power Button

Project Introduction For fun I made this USB power button with an Arduino Micro/Leonardo-like board (by which I mean one using the Atmel ATMega32u4 MCU with USB controller). The project details are below in case you should want to read or watch how I did it. I used an ATMega32U “arduino”-like board from Amazon.com although…
Hardware, Raspberry Pi

Raspberry Pi RTS / CTS Flow Control

I had need of a 3.3v TTL serial interface to reprogram a device I was working on. Looking around I realized I had mostly 5v logic USB to serial adapters. I figured the Raspberry Pi would work well enough, but I also needed hardware flow control. As it turned out the Pi can do RTS…
Arduino, Hardware, Raspberry Pi

Santa Hatifyer v1.0

Well, it’s Christmas time again. I really haven’t had a lot of blog posts since last Christmas, so my 2013 desk-decorations (deskorations?) are still fresh on my mind. I cheated this year, and didn’t stick to stuff I had on hand (although at the core is a Raspberry Pi, which the office had available). I…
Hardware, Raspberry Pi

PartyTube – YouTube-video powered party jukebox for RPi

Last month I had a Halloween party. Many people don’t seem to like the music I like, and I generally don’t like their music either. While planning my party it occurred to me that the music selection should be a collaborative process that included the guests. I spent the next few hours making my “Partytube”…